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- Title
Flexion gap preparation opens the extension gap in posterior cruciate ligament-retaining TKA.
- Authors
Minoda, Yukihide; Sakawa, Akira; Aihara, Masaharu; Tada, Koichi; Kadoya, Yoshinori; Kobayashi, Akio
- Abstract
It has been reported that preparation of the flexion gap results in significant widening of the prepared extension gap in posterior stabilized (PS) total knee arthroplasty (TKA). To date, there is a paucity of data regarding cruciate ligament-retaining (CR) TKA. Changes in the extension gap caused by preparation of the flexion gap were measured in 42 varus osteoarthritic knees undergoing CR TKA. The extension gap was first prepared and then measured before and after preparation of the flexion gap. The extension gap increased significantly on both the medial and lateral sides (18.8-20.0 and 21.7-22.7 mm, respectively) (P < 0.01). Preparation of the flexion gap also resulted in significant widening of the extension gap on CR TKA. However, amount of extension gap increase in CR TKA was smaller than previous reports on PS TKA.
- Subjects
JOINT surgery; TOTAL knee replacement; ARTHROPLASTY; POSTERIOR cruciate ligament; CRUCIATE ligaments; ARTHROSCOPY; EXAMINATION of joints
- Publication
Knee Surgery, Sports Traumatology, Arthroscopy, 2007, Vol 15, Issue 11, p1321
- ISSN
0942-2056
- Publication type
journal article
- DOI
10.1007/s00167-007-0394-9